钢筋半套筒灌浆连接的静力拉抻试验研究
发布时间：2018-10-16 18:39
【摘要】：为了研究钢筋半套筒灌浆连接试件的力学性能,对14个钢筋半套筒灌浆连接试件进行了静力拉伸试验,试验中研究的主要参数为钢筋直径、套筒尺寸以及钢筋偏位.研究表明:所采用的半灌浆套筒满足强度要求;试件发生了钢筋拉断、钢筋刮犁式拔出和套筒滑丝3类破坏;当破坏形态为钢筋拉断时,钢筋是否偏位对试件的承载力几乎没有影响.在试验结果及分析的基础上,提出了防止试件发生钢筋刮犁式拔出和套筒滑丝破坏的设计方法.
[Abstract]:In order to study the mechanical properties of reinforced semi-sleeve grouting connection specimens, the static tensile tests of 14 reinforced semi-sleeve grouting connection specimens were carried out. The main parameters studied in the test were the diameter of steel bar, the size of sleeve and the deviation of steel bar. The results show that the semi-grouting sleeve meets the strength requirement, the steel bar is broken, the steel bar is scraped and ploughed out and the sleeve slips are broken, and when the failure mode is the steel bar, Whether the steel bar is misaligned has little effect on the bearing capacity of the specimen. On the basis of test results and analysis, the design method of preventing steel bar scraping and ploughing and sleeve sliding wire failure is put forward.
【作者单位】： 湖南大学土木工程学院;
【基金】：国家自然科学基金资助项目(51478174,51338004) 湖南省自然科学基金资助项目(14JJ3054) 湖南大学中央高校基本科研业务费专项资金资助项目(2015HNDX)~~
【分类号】：TU375
，
本文编号：2275274
[Abstract]:In order to study the mechanical properties of reinforced semi-sleeve grouting connection specimens, the static tensile tests of 14 reinforced semi-sleeve grouting connection specimens were carried out. The main parameters studied in the test were the diameter of steel bar, the size of sleeve and the deviation of steel bar. The results show that the semi-grouting sleeve meets the strength requirement, the steel bar is broken, the steel bar is scraped and ploughed out and the sleeve slips are broken, and when the failure mode is the steel bar, Whether the steel bar is misaligned has little effect on the bearing capacity of the specimen. On the basis of test results and analysis, the design method of preventing steel bar scraping and ploughing and sleeve sliding wire failure is put forward.
【作者单位】： 湖南大学土木工程学院;
【基金】：国家自然科学基金资助项目(51478174,51338004) 湖南省自然科学基金资助项目(14JJ3054) 湖南大学中央高校基本科研业务费专项资金资助项目(2015HNDX)~~
【分类号】：TU375
，
本文编号：2275274
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